*/
/** @file src/film_viewer.cc
- * @brief A GTK widget to view `thumbnails' of a Film.
+ * @brief A wx widget to view `thumbnails' of a Film.
*/
#include <iostream>
#include "lib/film.h"
#include "lib/format.h"
#include "lib/util.h"
-#include "lib/thumbs_job.h"
#include "lib/job_manager.h"
#include "lib/film_state.h"
#include "lib/options.h"
+#include "lib/subtitle.h"
#include "film_viewer.h"
+#include "wx_util.h"
using namespace std;
using namespace boost;
-FilmViewer::FilmViewer (Film* f)
- : _film (f)
+class ThumbPanel : public wxPanel
{
- _scroller.add (_image);
+public:
+ ThumbPanel (wxPanel* parent, Film* film)
+ : wxPanel (parent)
+ , _film (film)
+ , _frame_rebuild_needed (false)
+ , _composition_needed (false)
+ {}
+
+ /** Handle a paint event */
+ void paint_event (wxPaintEvent& ev)
+ {
+ if (!_film || _film->thumbs().size() == 0) {
+ wxPaintDC dc (this);
+ return;
+ }
- Gtk::HBox* controls = manage (new Gtk::HBox);
- controls->set_spacing (6);
- controls->pack_start (_position_slider);
-
- _vbox.pack_start (_scroller, true, true);
- _vbox.pack_start (*controls, false, false);
- _vbox.set_border_width (12);
+ if (_frame_rebuild_needed) {
+ _image.reset (new wxImage (std_to_wx (_film->thumb_file (_index))));
- _position_slider.set_digits (0);
- _position_slider.signal_format_value().connect (sigc::mem_fun (*this, &FilmViewer::format_position_slider_value));
- _position_slider.signal_value_changed().connect (sigc::mem_fun (*this, &FilmViewer::position_slider_changed));
+ _subtitle.reset ();
+ pair<Position, string> s = _film->thumb_subtitle (_index);
+ if (!s.second.empty ()) {
+ _subtitle.reset (new SubtitleView (s.first, std_to_wx (s.second)));
+ }
- _scroller.signal_size_allocate().connect (sigc::mem_fun (*this, &FilmViewer::scroller_size_allocate));
+ _frame_rebuild_needed = false;
+ compose ();
+ }
- set_film (_film);
-}
+ if (_composition_needed) {
+ compose ();
+ }
-void
-FilmViewer::load_thumbnail (int n)
-{
- if (_film == 0 || _film->num_thumbs() <= n) {
- return;
- }
+ wxPaintDC dc (this);
+ if (_bitmap) {
+ dc.DrawBitmap (*_bitmap, 0, 0, false);
+ }
- int const left = _film->left_crop ();
- int const right = _film->right_crop ();
- int const top = _film->top_crop ();
- int const bottom = _film->bottom_crop ();
+ if (_film->with_subtitles() && _subtitle) {
+ dc.DrawBitmap (*_subtitle->bitmap, _subtitle->transformed_area.x, _subtitle->transformed_area.y, true);
+ }
+ }
- _pixbuf = Gdk::Pixbuf::create_from_file (_film->thumb_file (n));
+ /** Handle a size event */
+ void size_event (wxSizeEvent &)
+ {
+ if (!_image) {
+ return;
+ }
- int const cw = _film->size().width - left - right;
- int const ch = _film->size().height - top - bottom;
- _cropped_pixbuf = Gdk::Pixbuf::create_subpixbuf (_pixbuf, left, top, cw, ch);
- update_scaled_pixbuf ();
- _image.set (_scaled_pixbuf);
-}
+ recompose ();
+ }
-void
-FilmViewer::reload_current_thumbnail ()
-{
- load_thumbnail (_position_slider.get_value ());
-}
+ /** @param n Thumbnail index */
+ void set (int n)
+ {
+ _index = n;
+ _frame_rebuild_needed = true;
+ Refresh ();
+ }
-void
-FilmViewer::position_slider_changed ()
-{
- reload_current_thumbnail ();
-}
+ void set_film (Film* f)
+ {
+ _film = f;
+ if (!_film) {
+ clear ();
+ _frame_rebuild_needed = true;
+ Refresh ();
+ } else {
+ _frame_rebuild_needed = true;
+ Refresh ();
+ }
+ }
-string
-FilmViewer::format_position_slider_value (double v) const
-{
- stringstream s;
+ /** Clear our thumbnail image */
+ void clear ()
+ {
+ _bitmap.reset ();
+ _image.reset ();
+ _subtitle.reset ();
+ }
- if (_film && int (v) < _film->num_thumbs ()) {
- int const f = _film->thumb_frame (int (v));
- s << f << " " << seconds_to_hms (f / _film->frames_per_second ());
- } else {
- s << "-";
+ void recompose ()
+ {
+ _composition_needed = true;
+ Refresh ();
}
-
- return s.str ();
-}
-void
-FilmViewer::film_changed (Film::Property p)
-{
- if (p == Film::LEFT_CROP || p == Film::RIGHT_CROP || p == Film::TOP_CROP || p == Film::BOTTOM_CROP) {
- reload_current_thumbnail ();
- } else if (p == Film::THUMBS) {
- if (_film && _film->num_thumbs() > 1) {
- _position_slider.set_range (0, _film->num_thumbs () - 1);
+ DECLARE_EVENT_TABLE ();
+
+private:
+
+ void compose ()
+ {
+ _composition_needed = false;
+
+ if (!_film || !_image) {
+ return;
+ }
+
+ /* Size of the view */
+ int vw, vh;
+ GetSize (&vw, &vh);
+
+ Crop const fc = _film->crop ();
+
+ /* Cropped rectangle */
+ Rect cropped_area (
+ fc.left,
+ fc.top,
+ _image->GetWidth() - (fc.left + fc.right),
+ _image->GetHeight() - (fc.top + fc.bottom)
+ );
+
+ /* Target ratio */
+ float const target = _film->format() ? _film->format()->ratio_as_float (_film) : 1.78;
+
+ _transformed_image = _image->GetSubImage (wxRect (cropped_area.x, cropped_area.y, cropped_area.width, cropped_area.height));
+
+ float x_scale = 1;
+ float y_scale = 1;
+
+ if ((float (vw) / vh) > target) {
+ /* view is longer (horizontally) than the ratio; fit height */
+ _transformed_image.Rescale (vh * target, vh, wxIMAGE_QUALITY_HIGH);
+ x_scale = vh * target / cropped_area.width;
+ y_scale = float (vh) / cropped_area.height;
} else {
- _image.clear ();
- _position_slider.set_range (0, 1);
+ /* view is shorter (horizontally) than the ratio; fit width */
+ _transformed_image.Rescale (vw, vw / target, wxIMAGE_QUALITY_HIGH);
+ x_scale = float (vw) / cropped_area.width;
+ y_scale = (vw / target) / cropped_area.height;
}
-
- _position_slider.set_value (0);
- reload_current_thumbnail ();
- } else if (p == Film::FORMAT) {
- reload_current_thumbnail ();
- } else if (p == Film::CONTENT) {
- setup_visibility ();
- _film->examine_content ();
- update_thumbs ();
- }
-}
-void
-FilmViewer::set_film (Film* f)
-{
- _film = f;
+ _bitmap.reset (new wxBitmap (_transformed_image));
- if (!_film) {
- _image.clear ();
- return;
+ if (_subtitle) {
+
+ _subtitle->transformed_area = subtitle_transformed_area (
+ x_scale, y_scale, _subtitle->base_area, _film->subtitle_offset(), _film->subtitle_scale()
+ );
+
+ _subtitle->transformed_image = _subtitle->base_image;
+ _subtitle->transformed_image.Rescale (_subtitle->transformed_area.width, _subtitle->transformed_area.height, wxIMAGE_QUALITY_HIGH);
+ _subtitle->transformed_area.x -= rint (_film->crop().left * x_scale);
+ _subtitle->transformed_area.y -= rint (_film->crop().top * y_scale);
+ _subtitle->bitmap.reset (new wxBitmap (_subtitle->transformed_image));
+ }
}
- _film->Changed.connect (sigc::mem_fun (*this, &FilmViewer::film_changed));
+ Film* _film;
+ shared_ptr<wxImage> _image;
+ wxImage _transformed_image;
+ /** currently-displayed thumbnail index */
+ int _index;
+ shared_ptr<wxBitmap> _bitmap;
+ bool _frame_rebuild_needed;
+ bool _composition_needed;
+
+ struct SubtitleView
+ {
+ SubtitleView (Position p, wxString const & i)
+ : base_image (i)
+ {
+ base_area.x = p.x;
+ base_area.y = p.y;
+ base_area.width = base_image.GetWidth ();
+ base_area.height = base_image.GetHeight ();
+ }
- film_changed (Film::THUMBS);
-}
+ Rect base_area;
+ Rect transformed_area;
+ wxImage base_image;
+ wxImage transformed_image;
+ shared_ptr<wxBitmap> bitmap;
+ };
+
+ shared_ptr<SubtitleView> _subtitle;
+};
+
+BEGIN_EVENT_TABLE (ThumbPanel, wxPanel)
+EVT_PAINT (ThumbPanel::paint_event)
+EVT_SIZE (ThumbPanel::size_event)
+END_EVENT_TABLE ()
-pair<int, int>
-FilmViewer::scaled_pixbuf_size () const
+FilmViewer::FilmViewer (Film* f, wxWindow* p)
+ : wxPanel (p)
+ , _film (0)
{
- if (_film == 0) {
- return make_pair (0, 0);
- }
+ _sizer = new wxBoxSizer (wxVERTICAL);
+ SetSizer (_sizer);
- int const cw = _film->size().width - _film->left_crop() - _film->right_crop();
- int const ch = _film->size().height - _film->top_crop() - _film->bottom_crop();
+ _thumb_panel = new ThumbPanel (this, f);
+ _sizer->Add (_thumb_panel, 1, wxEXPAND);
- float ratio = 1;
- if (_film->format()) {
- ratio = _film->format()->ratio_as_float() * ch / cw;
- }
+ int const m = max ((size_t) 1, f ? f->thumbs().size() - 1 : 0);
+ _slider = new wxSlider (this, wxID_ANY, 0, 0, m);
+ _sizer->Add (_slider, 0, wxEXPAND | wxLEFT | wxRIGHT);
+ set_thumbnail (0);
- Gtk::Allocation const a = _scroller.get_allocation ();
- float const zoom = min (float (a.get_width()) / (cw * ratio), float (a.get_height()) / cw);
- return make_pair (cw * zoom * ratio, ch * zoom);
-}
-
-void
-FilmViewer::update_scaled_pixbuf ()
-{
- pair<int, int> const s = scaled_pixbuf_size ();
+ _slider->Connect (wxID_ANY, wxEVT_COMMAND_SLIDER_UPDATED, wxCommandEventHandler (FilmViewer::slider_changed), 0, this);
- if (s.first > 0 && s.second > 0 && _cropped_pixbuf) {
- _scaled_pixbuf = _cropped_pixbuf->scale_simple (s.first, s.second, Gdk::INTERP_HYPER);
- _image.set (_scaled_pixbuf);
- }
+ set_film (_film);
}
void
-FilmViewer::update_thumbs ()
+FilmViewer::set_thumbnail (int n)
{
- if (!_film) {
+ if (_film == 0 || int (_film->thumbs().size()) <= n) {
return;
}
- _film->update_thumbs_pre_gui ();
+ _thumb_panel->set (n);
+}
+
+void
+FilmViewer::slider_changed (wxCommandEvent &)
+{
+ set_thumbnail (_slider->GetValue ());
+}
- shared_ptr<const FilmState> s = _film->state_copy ();
- shared_ptr<Options> o (new Options (s->dir ("thumbs"), ".tiff", ""));
- o->out_size = _film->size ();
- o->apply_crop = false;
- o->decode_audio = false;
- o->decode_video_frequency = 128;
+void
+FilmViewer::film_changed (FilmState::Property p)
+{
+ ensure_ui_thread ();
- shared_ptr<Job> j (new ThumbsJob (s, o, _film->log ()));
- j->Finished.connect (sigc::mem_fun (_film, &Film::update_thumbs_post_gui));
- JobManager::instance()->add (j);
+ switch (p) {
+ case FilmState::THUMBS:
+ if (_film && _film->thumbs().size() > 1) {
+ _slider->SetRange (0, _film->thumbs().size() - 1);
+ } else {
+ _thumb_panel->clear ();
+ _slider->SetRange (0, 1);
+ }
+
+ _slider->SetValue (0);
+ set_thumbnail (0);
+ break;
+ case FilmState::CONTENT:
+ setup_visibility ();
+ break;
+ case FilmState::CROP:
+ case FilmState::FORMAT:
+ case FilmState::WITH_SUBTITLES:
+ case FilmState::SUBTITLE_OFFSET:
+ case FilmState::SUBTITLE_SCALE:
+ _thumb_panel->recompose ();
+ break;
+ default:
+ break;
+ }
}
void
-FilmViewer::scroller_size_allocate (Gtk::Allocation a)
+FilmViewer::set_film (Film* f)
{
- if (a.get_width() != _last_scroller_allocation.get_width() || a.get_height() != _last_scroller_allocation.get_height()) {
- update_scaled_pixbuf ();
+ if (_film == f) {
+ return;
}
- _last_scroller_allocation = a;
+ _film = f;
+ _thumb_panel->set_film (_film);
+
+ if (!_film) {
+ return;
+ }
+
+ _film->Changed.connect (sigc::mem_fun (*this, &FilmViewer::film_changed));
+ film_changed (Film::CROP);
+ film_changed (Film::THUMBS);
+ setup_visibility ();
}
void
}
ContentType const c = _film->content_type ();
- _position_slider.property_visible() = (c == VIDEO);
+ _slider->Show (c == VIDEO);
}
projects / dcpomatic.git / blobdiff